Mathematics, 15.12.2020 15:50, jahkin0256
How many area codes (ABC) would be possible if the first 2 digits can be any number 2-9 & last digit can be any number 0-9?
A. 640
B. 25
C. 729
D. 1000
Answers: 3
Mathematics, 21.06.2019 17:00, heysonic91
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
Answers: 1
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
How many area codes (ABC) would be possible if the first 2 digits can be any number 2-9 & last d...